--- a/Makefile.in
+++ b/Makefile.in
@@ -17,7 +17,7 @@ DEFS = @DEFS@
 INCS = -I.
 TAR = tar
 
-all: setserial setserial.cat
+all: setserial
 
 setserial: setserial.c
 	$(CC) $(CFLAGS) $(DEFS) $(INCS) setserial.c -o setserial
